# SupportsAdd

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/runnables/utils/SupportsAdd)

Protocol for objects that support addition.

## Signature

```python
SupportsAdd()
```

## Extends

- `Protocol[_T_contra, _T_co]`

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/8215039dea978372bd3fd95b88663a11b0159043/libs/core/langchain_core/runnables/utils.py#L535)